
| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2004/10/01 | 07:32:09.6 | 11:02:09.6 | 36.84 | 49.87 | 14 | ML:2.3 | 33 km South of Siahkal, Gilan Province |

| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2004/10/01 | 07:32:09.6 | 11:02:09.6 | 36.84 | 49.87 | 14 | ML:2.3 | 33 km South of Siahkal, Gilan Province |